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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Florin County Water District

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND140ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-21106915PND
2014-05-21106918PND
2014-05-21106919PND
2014-05-21106920PND
2014-05-21106922PND
2014-05-21307003PND
2014-05-21307002PND
2014-11-19309730PND
2014-11-19109653PND
2014-11-19109651PND
2014-11-19109650PND
2014-11-19109649PND
2014-11-19109647PND
2014-11-19309731PND